package cn.tedu.weibo.aspect;

import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.springframework.stereotype.Component;

@Slf4j
@Aspect
@Component
//利用AOP为所有Controller的功能记录日志
public class LogAspect {
    @Before("execution(public cn.tedu.weibo.result.JsonResult cn.tedu.weibo.controller.*.*(..))")
    public void before(JoinPoint point){
        String className = point.getTarget().getClass().getSimpleName();
        String methodName = point.getSignature().getName();
        log.info(className+"."+methodName+"()开始执行");
    }
    @AfterReturning("execution(public cn.tedu.weibo.result.JsonResult cn.tedu.weibo.controller.*.*(..))")
    public void after(JoinPoint point){
        String className = point.getTarget().getClass().getSimpleName();
        String methodName = point.getSignature().getName();
        log.info(className+"."+methodName+"()执行完毕");
    }
    @AfterThrowing(value = "execution(public cn.tedu.weibo.result.JsonResult cn.tedu.weibo.controller.*.*(..))",throwing = "e")
    public void throwing(JoinPoint point,Exception e){
        log.error(e.getMessage(),e);
    }
}
